What is your house made of? Around the world, you will find homes made of mud, stone, wood, glass, metal, concrete and even recycled plastic. Building materials can be strong, flexible, mouldable - and even beautiful! Find out how architects choose the right material for each job. Sapphire/Band 16 books offer longer reads to develop children's sustained engagement with texts and are more complex syntactically. Text type: an information book. Curriculum links: science Ideas for reading at the back of the book provide practical support and stimulating activities.